Home / 15,478,245.70-23,217,368.55-8,303,792.20

Finding the Fourth Proportional to 15,478,245.70, 23,217,368.55 and 8,303,792.20

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Solution

The fourth proportional to 15,478,245.70, 23,217,368.55 and 8,303,792.20 is: 12,455,688.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,478,245.70 : 23,217,368.55 = 8,303,792.20 : x
  2. Step 2: Convert to fraction form
    15,478,245.70/23,217,368.55 = 8,303,792.20/x
  3. Step 3: Cross multiply
    15,478,245.70x = 23,217,368.55 × 8,303,792.20
  4. Step 4: Simplify right side
    15,478,245.70x = 192,792,203,870,015.31
  5. Step 5: Solve for x
    x = 192,792,203,870,015.31/15,478,245.70
  6. Step 6: Final answer
    x = 12,455,688.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.